Linear acrylamide (was --Re: glycogen as a carrier) SIZE??

Bradley Turner bsturner at MBCRR.HARVARD.EDU
Tue Apr 23 12:26:46 EST 1996

Dear Bionetters,

This use of linear polyacrylamide as a DNA co-precipitant sounds very
interesting and useful.  Just one question though,  is the size (MW) of
the polyacrylamide important.  In searching for a commercial source of
linear polyacrylamide I found that Polysciences Inc. offers both 
size fractionated Polyacrylamide MW standards(MW 12,000-9,000,000) 
and general polyacrylamide (MW ~5,000,000). Does anyone know which
size range of polyacrylamide would be most effective for DNA preps?
Or whether it makes any difference at all?

(no affiliation with Polysciences other than as a customer)

Brad Turner

Beth Israel Hospital
Gastroenterology, Dana 536
330 Brookline Avenue
Boston, MA 02215 USA
617-667-1215 phone
617-667-2767 fax
bsturner at
turner at

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